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Table 28: Site Electrical Wiring Guidelines (continued)
Site Wiring Factor
Electromagnetic compatibility
(EMC)
WARNING:
connection to intrabuilding or unexposed wiring or cabling only. The intrabuilding
port(s) of the equipment or subassembly MUST NOT be metallically connected to
interfaces that connect to the OSP or its wiring. These interfaces are designed for use
as intrabuilding interfaces only (Type 2 or Type 4 ports as described in GR-1089-CORE),
and require isolation from the exposed OSP cabling. The addition of primary protectors
is not sufficient protection to connect these interfaces metallically to OSP wiring.
PTX10004 Rack Requirements
The PTX10004 router chassis is designed to be installed in four-post racks.
Rack requirements consist of:
Rack type
Rack mount kit hole spacing
Rack size and strength
Rack connection to the building structure
Table 29 on page 87
provides the rack requirements and specifications for the PTX10004.
Guidelines
Provide a properly grounded and shielded environment and use electrical
surge-suppression devices.
Strong sources of electromagnetic interference (EMI) can cause the following
damage:
Destruction of the signal drivers and receivers in the device
Electrical hazards as a result of power surges conducted over the lines into the
equipment
TIP:
If your site is susceptible to problems with EMC, particularly from lightning
or radio transmitters, you might want to seek expert advice.
The intrabuilding port(s) of the equipment or subassembly is suitable for
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